The only way to discover the limits of the possible is to go beyond them into the impossible.
发现可能性的极限的唯一方法就是超越它们，进入不可能。
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
The only limit to our realization of tomorrow is our doubts of today.
The only lies for which we are truly punished are those we tell ourselves.
In all things — except love — start with the exit strategy. Prepare for the ending. Almost anything is easier to get into than out of.
Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
我喜欢用简单的故事来讲述复杂的人性。